Used frequently in Anime to either recap past events or provide a back story for a character, either their origin story or their off-screen training of new attack. Sometime and entire episode/chapter would be a entire flashback.

A God can be a guardian or a ruler with nearly unlimited powers or sense of consciousness. Most of them are creators or controlers of a sertain element or concept, but there are also gods who are destroyers wile some can be both.

Humans are typically depicted as the dominant species of the planet Earth, and sometimes of other planets. Humans often mirror their real life counterparts in terms of abilities and intellect, while other times they can achieve superhuman feats.

Usually translated as "god," traditionally Japanese(/Shinto) kami are deities that belong to natural objects (mountains, rivers, etc) with relatively human personality traits. However, "kami" can be almost anything in the imagination of an anime or manga writer!

Maids and Butlers are highly popular within anime and manga. They can simply be a job, or they can be a lifestyle for loyal servants to a master or mistress. Identified by a particular uniform. Also popular in cosplay.

A Shrine Maiden is a female caretaker of the Shinto shrines of Japan, and they are connected to the oracles from kami. Considered to be a medium/prophet between earth and the spirit realm. Traditionally wearing a white kimono and red hakama.

In anime and manga, girls sometimes admire each other's assets, to the point of groping either with or without permission. This concept applies to any part of the body and either gender, but it's usually all about boobs.

"Tsundere" is a portmanteau of two Japanese phrases: "tsuntsun" and "deredere" and refers to characters who act hostile to the object of their affections, but secretly (or not-so-secretly) harbor feelings for them.

Those moments when clothing slips or falls off by accident, revealing a little too much. Usually played of for comedic purposes.
Wardrobe Malfunction should not be confused with "Clothing Damage" which is usually the after effect of fights.